Editor
Editor
 Sep 18, 2022
0
Chief ore of aluminium is:
Difficulty: Easy
A: 
$Na_{3}ALF_{6}$
B: 
$Al_{2}O_{3}.2H_{2}O$
C: 
$Al_{2}O_{3}$
D: 
$Al_{2}O_{3}.H_{2}O$
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